diff options
Diffstat (limited to 'ospfd/ospf_flood.c')
| -rw-r--r-- | ospfd/ospf_flood.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/ospfd/ospf_flood.c b/ospfd/ospf_flood.c index e96b31e3f4..7d461d4587 100644 --- a/ospfd/ospf_flood.c +++ b/ospfd/ospf_flood.c @@ -337,6 +337,45 @@ int ospf_flood(struct ospf *ospf, struct ospf_neighbor *nbr, SET_FLAG(new->flags, OSPF_LSA_RECEIVED); (void)ospf_lsa_is_self_originated(ospf, new); /* Let it set the flag */ + /* Received Grace LSA */ + if (IS_GRACE_LSA(new)) { + + if (IS_LSA_MAXAGE(new)) { + + /* Handling Max age grace LSA.*/ + if (IS_DEBUG_OSPF_GR_HELPER) + zlog_debug( + "%s, Received a maxage GRACE-LSA from router %s", + __PRETTY_FUNCTION__, + inet_ntoa(new->data->adv_router)); + + if (current) { + ospf_process_maxage_grace_lsa(ospf, new, nbr); + } else { + if (IS_DEBUG_OSPF_GR_HELPER) + zlog_debug( + "%s, Grace LSA doesn't exist in lsdb, so discarding grace lsa", + __PRETTY_FUNCTION__); + return -1; + } + } else { + if (IS_DEBUG_OSPF_GR_HELPER) + zlog_debug( + "%s, Received a GRACE-LSA from router %s", + __PRETTY_FUNCTION__, + inet_ntoa(new->data->adv_router)); + + if (ospf_process_grace_lsa(ospf, new, nbr) + == OSPF_GR_NOT_HELPER) { + if (IS_DEBUG_OSPF_GR_HELPER) + zlog_debug( + "%s, Not moving to HELPER role, So discarding grace LSA", + __PRETTY_FUNCTION__); + return -1; + } + } + } + /* Install the new LSA in the link state database (replacing the current database copy). This may cause the routing table calculation to be scheduled. In addition, |